21707070870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1\times {\mathrm{10639}}^1$

素因数の和:13629

約数の個数: 64

約数和(自身を含む): 54385551360

約数和(自身を除く): 32678480490

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 2957, 5914, 8871, 10639, 14785, 17742, 21278, 29570, 31917, 44355, 53195, 63834, 68011, 88710, 106390, 136022, 159585, 204033, 244697, 319170, 340055, 408066, 489394, 680110, 734091, 1020165, 1223485, 1468182, 2040330, 2446970, 3670455, 7340910, 31459523, 62919046, 94378569, 157297615, 188757138, 314595230, 471892845, 723569029, 943785690, 1447138058, 2170707087, 3617845145, 4341414174, 7235690290, 10853535435, 21707070870]

約数ペア:

[(1, 21707070870), (2, 10853535435), (3, 7235690290), (5, 4341414174), (6, 3617845145), (10, 2170707087), (15, 1447138058), (23, 943785690), (30, 723569029), (46, 471892845), (69, 314595230), (115, 188757138), (138, 157297615), (230, 94378569), (345, 62919046), (690, 31459523), (2957, 7340910), (5914, 3670455), (8871, 2446970), (10639, 2040330), (14785, 1468182), (17742, 1223485), (21278, 1020165), (29570, 734091), (31917, 680110), (44355, 489394), (53195, 408066), (63834, 340055), (68011, 319170), (88710, 244697), (106390, 204033), (136022, 159585)]